Home / 8,221,282.47-12,317,748.71-5,449,851.27

Finding the Fourth Proportional to 8,221,282.47, 12,317,748.71 and 5,449,851.27

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Solution

The fourth proportional to 8,221,282.47, 12,317,748.71 and 5,449,851.27 is: 8,165,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,282.47 : 12,317,748.71 = 5,449,851.27 : x
  2. Step 2: Convert to fraction form
    8,221,282.47/12,317,748.71 = 5,449,851.27/x
  3. Step 3: Cross multiply
    8,221,282.47x = 12,317,748.71 × 5,449,851.27
  4. Step 4: Simplify right side
    8,221,282.47x = 67,129,898,423,485.10
  5. Step 5: Solve for x
    x = 67,129,898,423,485.10/8,221,282.47
  6. Step 6: Final answer
    x = 8,165,380.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.